﻿/**
* @author alteredq / http://alteredqualia.com/
*
* Full-screen textured quad shader
*/

THREE.CopyShader = {

    uniforms: {

        "tDiffuse": { value: null },
        "opacity": { value: 0.0 }

    },

    vertexShader: [

		"varying vec2 vUv;",

		"void main() {",

			"vUv = uv;",
			"gl_Position = projectionMatrix * modelViewMatrix * vec4( position, 1.0 );",

		"}"

	].join("\n"),

    fragmentShader: [

		"uniform float opacity;",

		"uniform sampler2D tDiffuse;",

		"varying vec2 vUv;",

		"void main() {",

			"vec4 texel = texture2D( tDiffuse, vUv );",
			"gl_FragColor = opacity * texel;",

		"}"

	].join("\n")

};